Manure-spreader.



' PATBNTED APR. 28, 190s.

E. BUSWELL. MANURE SPREADBR.

` rpuoATIpN HLBD AUG. 19.1967.

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WITNESSES:

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PATENT enrich.

EUGENE BUsWELL, or' WATERLOO, IOWA. ,A

MANURE-sPREADER,

specification offLettrsf'Patent. Patented april 28, 1908.

' Application filed august 19, isere? serial No. as9,174.

To all whomttma'y concern: y

Be 1`t` known thatvI, EUGENE BUSwnLL, a

.citizen of the UnitedStates of Arnerica,and

av resident of Aiaterl-oe, Blackhawk county, Iowa, have vented certain new; and 'Auseful Improvements in Manure-Spreaders, of*l which thl'bllowing A is a'specification. 1 mven'tronfre manure spreaders, and the object oil myinprovement's is to provide a convenient, sini-ple 'and inexpensive ratchet-'driving mechanism for' thepmovable apron to be actuated fronitthe' shaft of the .beater-drum, 'and- -so hereto, invernalithe machine. Fig; l21s ap] f ofthe spreader depicting t esame parts as i inthe rear of a spreader-box 31, on a-shaft'2, and the latter may 'be rotated by any suitjthe rear` end of apmanure spreaderv equiplped withhlny improved ratehet-driving-mec arranged that itV will vary the speed ofV said arbn relative 'tothe speed of meuvement of i? eA "said beater -drum r.and the manurespreader-as a whole. object I- have' accomplished" by 'the mechanism which `is hereinafter. fullydescribed and claimed, and. which is illustrated in" the `drawings annexed Figure lis a side elevation ofa 'portion-of anis1n,`a'nd itscontrollingslever at the front of shown in F1g.i.

Similar numbers refer te-"vsimilar 'parts throughout the several views, y y

`I have lshown la beater-drum 32. mounted ab'le/ ,source of' power. The 's reader-box may contain any usual type of s atfapron 2 8 yconnected to side-sprocket-chains 29, the

latter driven' by rear-sprockets 33 'in-a`wellknown manner. On one end ofthe sf rocketwheel-shaft 1 is secured a ratchet-w eel 30,;

adapted to be-driven rearwardly'by the ac-v4 tionff the alternate pawls 34 and 35,.the 'rear' pawl 34" being' ,arranged 4to begin' its ldriving `con-tact w1th saidratc'het-wheel 30` n vatthe inoment that the forward pawl 35'is V vice-versa. The rear pawl 34 is pivotedf on moving'gout of contactwith said wheel, and

a stud 1'6`to the lower end ofl a lever 36, and the forfv'vard' awl 35 is pivoted on a stud 14 to the lower'eng of a lever 37. On each of ,said pawls isan utwardly extendingboss, 1 5 on the pawl 34'?, and 17 on the pawl35'. A short coil spring 38 lis connected to the pivot stud of each pawl'fv and vhas one end bearing against the upper side of the boss thereon, to aid in keeping 'said pawls in engagement with the, teeth ates to improvements in.

artial plan view I `of ,the ratchet-wheel 30. .The lever 37 is medially ivoted on a stud 13 extending laterally om the plate 20, the latter being secured to the spreaderebox 31, The lever v36 is pivotedat its upper end to another' stud 12 extending from said plate 20. The upper end of the lever 37 is pivoted on a stud 11 to therear end of' a rod 6, andthe lever 36 is yInedially pivoted to the rear end of the rod 7 on a--stud 9.v Both of the rods 7 and 6 are at their rear ends `of the short cran 18, the latter being secured to ene end of th'ebeater-drum shaftv2.

lpiveted tothecrank-pin 8 `On ythe end of the-shaft 1' outside of the "i ratchet-wheel 30, afan-shaped lever 3 is piv oted, its upperbroad-end having twoA extensions A39 and 40, with curved upper edges. These curved extensions are ada ted to contact with the bosses on-the aw at certain times alternately1 to lift the atter somewhat and` cause them to skip'fone or more teeth on' .said ratchet-wheel 30, when it is desired -to Whenthe'.

decrease the speed of the-latter. pawls are in ordinary contact with said ratchet-wheel and at fast speed, the lever 3- does not contact with them, but the' pawls may be elevated by the following mechanism. A hand-lever 25 is medially pivoted on a stud 23 to the outside of the rack 24, the latter secured to the cross-bar 27 on the under side of the front of the spreader-box 31.

Said leveris provided with the usual form vof "hand-operated detent 26 `adapted to engage the notches in said rack 24. The lower lend of the lever 25 ispivoted at 22'to a short bar 'carrying a nut 21 within which the threaded front end of the connectingrod 4 may be secured and4 adjusted. The rear endof said connectin -rod is pivoted to the lever 3 on a more than one tooth before dropping and the apron l2'8 is caused to travel at a lower s eed than before. The pawls 84'l and 35 are a ternately lifted by the action of the V respective levers to'which they are separately connected and the action of the crank -18 which actuates said levers, and thus the pawl 34 will engage the ratchet-wheel at the exact moment that ythe pawl 35'is lifted, which resultsin a con tinuous drivingl action on the ratchet-Wheel, Without any hiatus 'in the action or unevenness inthe motion of the Wheel.

. In case either spring 38 should be broken, or discarded, the bosses on said pawls Will ordinarilyvbe of sufiicient Weight'to cause them to keep in operative en agement -With the teeth of the ratchet-whee Having described my invention, What, I

claim as new, and desire to'secure by Letters Patent, is

1. In a manure-spreader, the combination of a spreader-box .having a beater-drum secured on a rotatable shaft at one end thereof,

a movable apron in said box, a shaft provided cured o n a rotatable shaft at one end thereof,

a movable apron in saidbox, a shaft provided withmeans for drlvmg said apron, a ratchet- Wheel on one end of said apron-shaft, a crank secured to the beater-drum-shaft, connecting-rods pivoted to said crank, levers fulcrumed to said spreader-box and pivoted to said connecting-rods and to pawls, pawls adapted to alternately engage and separate from said ratchet-Wheel to exercise a continu- -ous driving-contact thereon, and means for regulating the drop of, said pawls whereby the speed of said apron may be varied at will.

3. In a manure-spreader, the combination of a spreader-box having a'beater-drum secured on a rotatable shaft at one end thereof, a movable apron in said boX, a shaft provided with means for drivingr said apron, a ratchet- Wheel on one end of said apron shaft, a crank secured to said beater-drum-shaft, connecting-rods pivoted to said crank, levers fulerunred to said spreader-box and pivoted to said connecting-rods, pawls pivot/ally connected to said levers and adapted to alternately lift and thenl engage the teeth of said ratchet-wheel to exercise a continuous driving-action thereon, contact-blocks adapted to vary the action of said pawls on said ratchet-wheel so as to cause them to skip a desired number of teeth thereon at each driv-` ing-contact, and means for adjustably setting said contact-blocks in a desired'position to Vary the action of said pawls on said ratchet-wheel.

Signed at Waterloo, Iowa, this-th day ol July, 1907.

EUGENE BUSWELL. Witnesses:

O. D. YOUNG, H. M. HARPER. 

